Metal Round collar - Inside Diameter: 12cm (15 inches in circumference) - Material: Chrome Steel - Round Section, very comfortable to wear - Presented in an elegant velvet carrying pouch. - Supplied with the Allen key.
stainless steel collar Male size: -Neck diameter：13.8 cm -Neck girth： 42.4cm Female size: -Neck diameter： 11.6cm -Neck girth：37cm
Press Lock Steel Collar: Size as picture shows How to open the press lock? Insert the key and turn the key 90 degrees clockwise, then turn it back. The lock will open Note: Never turn the key 180 degrees, otherwise it will not be used.
Discreet packing Note：please allow the error due to the manual measure